Answer:

Step-by-step explanation:
Answer:
The formula to get the circumference of a circle is
but in this case we see that a diameter is being used therefore we can get rid of the 2 and the r because that is what the diameter and just replace d into there like this
.
We can then input the value and we get that
which then just narrows down to
.
<u><em>Hope this helps! Let me know if you have any questions</em></u>
Domain of f = R .............
Answer:
7 1/4
Step-by-step explanation:
the 5 is not affecting the fraction so just add the whole numbers